Noun. 1. drainage basin-the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; flood control in the Missouri basin. catchment area, catchment basin, drainage area, river basin, watershed, basin.
Milkman syndrome. a generalized bone disease marked by multiple transparent stripes of absorption in the long and flat bones. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition.
Milk fever is probably the most common metabolic disorder in dairy cattle. The condition usually occurs just before, during or immediately after parturition. This condition is also likely to be the most common cause of apparent sudden death in dairy cows, and is a common cause of dystocia and stillborn calves.